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Boats And Streams Problems | Aptitude Tricks And Tips

A man’s speed with the current is 15 km/hr and the speed of the current is 2.5 km/hr. The man’s speed against the current is:

  1. 8.5 km/hr
  2. 9 km/hr
  3. 10 km/hr
  4. 12.5 km/hr
View Answer

Answer :   Option 3

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Explanation: Please watch Heights And Distances video lesson.

A man can row upstream at 8 kmph and downstream at 13 kmph. The speed of the stream is :

  1. 2.5 km/hr
  2. 4.2 km/hr
  3. 5 km/hr
  4. 10.5 km/hr
View Answer

Answer :   Option 1

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Explanation: Please watch Heights And Distances video lesson.

A motorboat, whose speed in 15 km/hr in still water goes 30 km downstream and comes back in a total of 4 hours 30 minutes. The speed of the stream (in km/hr) is:

  1. 4
  2. 5
  3. 6
  4. 10
View Answer

Answer :   Option 2

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Explanation: Please watch Heights And Distances video lesson.

A boatman goes 2 km against the current of the stream in 1 hour and goes 1 km along the current in 10 minutes. How long will it take to go 5 km in stationary water?

  1. 40 minutes
  2. 1 hour
  3. 1 hr 15 min
  4. 1 hr 30 min
View Answer

Answer :   Option 3

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Explanation: Please watch Heights And Distances video lesson.

A man can row 12kmph in still water. When the river is running at 2.4kmph, it takes him 1 hour to row to a place and to come back. How far is the place ?

View Answer

Answer :   5.76 km

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Explanation: Please watch Heights And Distances video lesson.

Speed of a boat in standing water is 9 kmph and the speed of the stream is 1.5 kmph. A man rows to a place at a distance of 105 km and comes back to the starting point. The total time taken by him is:

  1. 16 hours
  2. 18 hours
  3. 20 hours
  4. 24 hours
View Answer

Answer :   Option 4

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Explanation: Please watch Heights And Distances video lesson.

A boat’s speed in still water is 10kmph, while river is flowing with a speed of 2kmph and time taken to cover a certain distance upstream is 4 hours more than time taken to cover the same distance downstream. Find the distance ?

View Answer

Answer :   96 km

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Explanation: Please watch Heights And Distances video lesson.

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